3Com 4210 9-Port Configuration Manual page 385

1 DHCP Overview··········································································································································1-1
Introduction to DHCP ······························································································································1-1
DHCP IP Address Assignment ···············································································································1-1
IP Address Assignment Policy ········································································································1-1
Obtaining IP Addresses Dynamically ······························································································1-2
Updating IP Address Lease·············································································································1-2
DHCP Packet Format······························································································································1-3
Protocol Specification······························································································································1-4
2 DHCP Server Configuration······················································································································2-1
Introduction to DHCP Server ··················································································································2-1
Usage of DHCP Server ···················································································································2-1
DHCP Address Pool ························································································································2-1
DHCP IP Address Preferences ·······································································································2-3
DHCP Server Configuration Task List ····································································································2-3
Enabling DHCP ·······································································································································2-3
Configuring the Global Address Pool Based DHCP Server····································································2-4
Configuration Task List····················································································································2-4
Enabling the Global Address Pool Mode on Interface(s) ································································2-5
Creating a DHCP Global Address Pool···························································································2-5
Configuring an Address Allocation Mode for the Global Address Pool···········································2-5
Configuring a Domain Name Suffix for the DHCP Client ································································2-8
Configuring DNS Servers for the DHCP Client ···············································································2-8
Configuring WINS Servers for the DHCP Client··············································································2-9
Configuring Gateways for the DHCP Client ··················································································2-10
Configuring BIMS Server Information for the DHCP Client···························································2-10
Configuring Option 184 Parameters for the Client with Voice Service··········································2-10
Configuring a Self-Defined DHCP Option ·····················································································2-13
Configuring the Interface Address Pool Based DHCP Server ······························································2-14
Configuration Task List··················································································································2-14
Enabling the Interface Address Pool Mode on Interface(s)···························································2-15
Configuring an Address Allocation Mode for an Interface Address Pool ······································2-16
Configuring a Domain Name Suffix for the DHCP Client ······························································2-18
Configuring DNS Servers for the DHCP Client ·············································································2-18
Configuring WINS Servers for the DHCP Client············································································2-19
Configuring BIMS Server Information for the DHCP Client···························································2-20
Configuring Option 184 Parameters for the Client with Voice Service··········································2-20
Configuring a Self-Defined DHCP Option ·····················································································2-21
Configuring DHCP Server Security Functions ······················································································2-22
Prerequisites··································································································································2-22
Enabling Unauthorized DHCP Server Detection···········································································2-22
Configuring IP Address Detecting ·································································································2-23
Configuring DHCP Accounting Functions ·····························································································2-23
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